usb/class: use printk_ratelimited() instead of printk_ratelimit()

Since printk_ratelimit() shouldn't be used anymore (see comment in
include/linux/printk.h), replace it with printk_ratelimited()

Signed-off-by: Manuel Zerpies <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/class/usblp.c

···
 #include <linux/mutex.h>
 #undef DEBUG
 #include <linux/usb.h>
+#include <linux/ratelimit.h>
 
 /*
  * Version Information
···
 	mutex_lock(&usblp->mut);
 	if ((error = usblp_read_status(usblp, usblp->statusbuf)) < 0) {
 		mutex_unlock(&usblp->mut);
-		if (printk_ratelimit())
-			printk(KERN_ERR
+		printk_ratelimited(KERN_ERR
 				"usblp%d: error %d reading printer status\n",
 				usblp->minor, error);
 		return 0;
···
 
 		case LPGETSTATUS:
 			if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
-				if (printk_ratelimit())
-					printk(KERN_ERR "usblp%d:"
+				printk_ratelimited(KERN_ERR "usblp%d:"
 					    "failed reading printer status (%d)\n",
 					    usblp->minor, retval);
 				retval = -EIO;